IsoEx
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Public Types | |
typedef Vec3::value_type | real |
typedef Grid< Vec3 >::CubeIdx | CubeIdx |
CubeIdx can be used to refer to cubes. | |
typedef Grid< Vec3 >::PointIdx | PointIdx |
The grid points can be referred to by PointIdx. | |
Public Types inherited from IsoEx::RegularGrid< Vec3 > | |
typedef ACG::Matrix4x4T < typename Vec3::value_type > | Matrix |
typedef Vec3::value_type | real |
typedef Grid< Vec3 >::CubeIdx | CubeIdx |
CubeIdx can be used to refer to cubes. | |
typedef Grid< Vec3 >::PointIdx | PointIdx |
The grid points can be referred to by PointIdx. | |
Public Types inherited from IsoEx::Grid< Vec3 > | |
typedef Vec3 | Vec3 |
typedef Vec3::value_type | real |
typedef unsigned int | CubeIdx |
CubeIdx can be used to refer to cubes. | |
typedef unsigned int | PointIdx |
The grid points can be referred to by PointIdx. | |
Public Member Functions | |
ImplicitGrid (const Implicit< Vec3 > &_implicit, const Vec3 &_origin, const Vec3 &_x_axis, const Vec3 &_y_axis, const Vec3 &_z_axis, unsigned int _x_res, unsigned int _y_res, unsigned int _z_res) | |
Default constructor. | |
virtual | ~ImplicitGrid () |
Destructor. | |
This function calls will be passed to the implicit object. | |
virtual bool | is_inside (PointIdx _pidx) const |
See IsoEx::Implicit::is_inside() | |
virtual real | scalar_distance (PointIdx _pidx) const |
See IsoEx::Implicit::scalar_distance() | |
virtual bool | directed_distance (const Vec3 &_p0, const Vec3 &_p1, Vec3 &_point, Vec3 &_normal, real &_distance) const |
See IsoEx::Implicit::directed_distance() | |
Enable caching of inside/outside/distance computations | |
void | build_is_inside_cache () const |
Cache results of is_inside() | |
void | build_scalar_distance_cache () const |
Cache results of scalar_distance() | |
Public Member Functions inherited from IsoEx::RegularGrid< Vec3 > | |
RegularGrid (const Vec3 &_origin=Vec3(0, 0, 0), const Vec3 &_x_axis=Vec3(1, 0, 0), const Vec3 &_y_axis=Vec3(0, 1, 0), const Vec3 &_z_axis=Vec3(0, 0, 1), unsigned int _x_res=1, unsigned int _y_res=1, unsigned int _z_res=1) | |
void | initialize (const Vec3 &_origin, const Vec3 &_x_axis, const Vec3 &_y_axis, const Vec3 &_z_axis, unsigned int _x_res, unsigned int _y_res, unsigned int _z_res) |
function to initialize the grid | |
unsigned int | n_cubes () const |
Return number of cubes. | |
unsigned int | n_points () const |
Return number of points. | |
PointIdx | point_idx (CubeIdx _idx, unsigned char _corner) const |
Return the PointIdx of the _corners'th corner of the cube _idx. | |
Vec3 | point (PointIdx _idx) const |
Return the 3D point refered to by _idx. | |
Vec3 | point (int x, int y, int z) const |
Return the 3D point refered to by x,y,z. | |
PointIdx | nearest_point (const Vec3 &_p) |
Return the nearest grid point. | |
const Vec3 & | origin () const |
const Vec3 & | x_axis () const |
const Vec3 & | y_axis () const |
const Vec3 & | z_axis () const |
const Vec3 & | dx () const |
const Vec3 & | dy () const |
const Vec3 & | dz () const |
unsigned int | x_resolution () const |
unsigned int | y_resolution () const |
unsigned int | z_resolution () const |
Vec3 | to_local (const Vec3 &_pw) |
transforms a point to local cube coordinates | |
Vec3 | to_world (const Vec3 &_pl) |
transforms a point for local cube coordinates to world coordinates | |
bool | ray_intersect_local (const Vec3 &_o, const Vec3 &_d, Vec3 &_entry, Vec3 &_exit) |
function to intersect a Ray with the cube ( local coordinates ) | |
real | volume () |
returns the volume of the grid | |
virtual real | outer_surface () |
returns the outer surface of the grid | |
Public Member Functions inherited from IsoEx::Grid< Vec3 > | |
Grid () | |
Default constructor. | |
virtual | ~Grid () |
Destructor. | |
CubeIterator | begin () const |
Returns begin iterator for the grid's cubes. | |
CubeIterator | end () const |
Returns end iterator for the grid's cubes. | |
virtual PointIdx | point_idx (CubeIdx _idx, unsigned char _corner) const =0 |
Return the PointIdx of the _corners'th corner of the cube _idx. | |
virtual Vec3 | point (PointIdx _idx) const =0 |
Return the 3D point refered to by _idx. | |
virtual bool | is_inside (PointIdx _pidx) const =0 |
See IsoEx::Implicit::is_inside() | |
virtual real | scalar_distance (PointIdx _pidx) const =0 |
See IsoEx::Implicit::scalar_distance() | |
Protected Attributes | |
const Implicit< Vec3 > & | implicit_ |
std::vector< bool > | is_inside_cache_ |
std::vector< real > | scalar_distance_cache_ |
Protected Attributes inherited from IsoEx::RegularGrid< Vec3 > | |
Matrix | to_local_ |
Matrix | to_world_ |
Vec3 | origin_ |
Vec3 | x_axis_ |
Vec3 | y_axis_ |
Vec3 | z_axis_ |
Vec3 | dx_ |
Vec3 | dy_ |
Vec3 | dz_ |
unsigned int | x_res_ |
unsigned int | y_res_ |
unsigned int | z_res_ |
unsigned int | n_cubes_ |
unsigned int | n_points_ |
CubeIdx | offsets_ [8] |
This is the base class for all grids representing implicit objects, i.e. they store a reference to an implicit. All inside/outside tests and distance queries will be passed on to the implicit.
In addition, this grid also provides caching of inside/outside tests and scalar distance queries.